retriev image in picture box from different server C# win form

Not able to retrieve 

Hosting server. I aware user name and password but don't know the server url plz suggest how to retrieve 

Dear,

is it comming from a database or a hosting server url.

Regards, 

Where I need to use user name and password

And how to know what is server url

I know path of image but not aware server url

using System;
using System.Drawing;
using System.IO;
using System.Net;
using System.Windows.Forms;
namespace ImageRetrievalApp
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void RetrieveImageButton_Click(object sender, EventArgs e)
        {
            string imageUrl = "http://example.com/path/to/your/image.jpg"; // Replace with the URL of the image on the remote server
            try
            {
                // Create a WebRequest to download the image
                WebRequest request = WebRequest.Create(imageUrl);
                using (WebResponse response = request.GetResponse())
                using (Stream stream = response.GetResponseStream())
                {
                    // Load the image from the stream
                    Image image = Image.FromStream(stream);
                    // Display the image in the PictureBox
                    pictureBox1.Image = image;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("Error: " + ex.Message);
            }
        }
    }
}